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<div class="title">cudaFont Class Reference<div class="ingroups"><a class="el" href="group__util.html">Utilities Library (jetson-utils)</a> &raquo; <a class="el" href="group__cuda.html">CUDA</a> &raquo; <a class="el" href="group__cudaFont.html">Fonts</a></div></div>  </div>
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<p>TTF font rasterization and image overlay rendering using CUDA.  
 <a href="classcudaFont.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="cudaFont_8h_source.html">cudaFont.h</a>&gt;</code></p>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structcudaFont_1_1GlyphInfo.html">GlyphInfo</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a1637d4c711b3ed83184e49734d540f5a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a1637d4c711b3ed83184e49734d540f5a">~cudaFont</a> ()</td></tr>
<tr class="memdesc:a1637d4c711b3ed83184e49734d540f5a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="classcudaFont.html#a1637d4c711b3ed83184e49734d540f5a">More...</a><br /></td></tr>
<tr class="separator:a1637d4c711b3ed83184e49734d540f5a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a609ae416dfaf09d631968d73c5edd059"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a609ae416dfaf09d631968d73c5edd059">OverlayText</a> (void *image, <a class="el" href="group__imageFormat.html#ga931c48e08f361637d093355d64583406">imageFormat</a> format, uint32_t width, uint32_t height, const char *str, int x, int y, const float4 &amp;<a class="el" href="cudaPointCloud_8h.html#a549d5369c70bd71a70798aa5b1ea4270">color</a>=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 255), const float4 &amp;background=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 0), int backgroundPadding=5)</td></tr>
<tr class="memdesc:a609ae416dfaf09d631968d73c5edd059"><td class="mdescLeft">&#160;</td><td class="mdescRight">Render text overlay onto image.  <a href="classcudaFont.html#a609ae416dfaf09d631968d73c5edd059">More...</a><br /></td></tr>
<tr class="separator:a609ae416dfaf09d631968d73c5edd059"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e90abe01820bbe0d30b80a7c9a7bc2d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a4e90abe01820bbe0d30b80a7c9a7bc2d">OverlayText</a> (void *image, <a class="el" href="group__imageFormat.html#ga931c48e08f361637d093355d64583406">imageFormat</a> format, uint32_t width, uint32_t height, const std::vector&lt; std::pair&lt; std::string, int2 &gt; &gt; &amp;text, const float4 &amp;<a class="el" href="cudaPointCloud_8h.html#a549d5369c70bd71a70798aa5b1ea4270">color</a>=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 255), const float4 &amp;background=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 0), int backgroundPadding=5)</td></tr>
<tr class="memdesc:a4e90abe01820bbe0d30b80a7c9a7bc2d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Render text overlay onto image.  <a href="classcudaFont.html#a4e90abe01820bbe0d30b80a7c9a7bc2d">More...</a><br /></td></tr>
<tr class="separator:a4e90abe01820bbe0d30b80a7c9a7bc2d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3a26e9ac15e9471527a012d6c0629546"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3a26e9ac15e9471527a012d6c0629546"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a3a26e9ac15e9471527a012d6c0629546">OverlayText</a> (T *image, uint32_t width, uint32_t height, const char *str, int x, int y, const float4 &amp;<a class="el" href="cudaPointCloud_8h.html#a549d5369c70bd71a70798aa5b1ea4270">color</a>=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 255), const float4 &amp;background=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 0), int backgroundPadding=5)</td></tr>
<tr class="memdesc:a3a26e9ac15e9471527a012d6c0629546"><td class="mdescLeft">&#160;</td><td class="mdescRight">Render text overlay onto image.  <a href="classcudaFont.html#a3a26e9ac15e9471527a012d6c0629546">More...</a><br /></td></tr>
<tr class="separator:a3a26e9ac15e9471527a012d6c0629546"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac0c958d1f5c6ad053835919f792824b6"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ac0c958d1f5c6ad053835919f792824b6"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classcudaFont.html#ac0c958d1f5c6ad053835919f792824b6">OverlayText</a> (T *image, uint32_t width, uint32_t height, const std::vector&lt; std::pair&lt; std::string, int2 &gt; &gt; &amp;text, const float4 &amp;<a class="el" href="cudaPointCloud_8h.html#a549d5369c70bd71a70798aa5b1ea4270">color</a>=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 255), const float4 &amp;background=<a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0, 0, 0, 0), int backgroundPadding=5)</td></tr>
<tr class="memdesc:ac0c958d1f5c6ad053835919f792824b6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Render text overlay onto image.  <a href="classcudaFont.html#ac0c958d1f5c6ad053835919f792824b6">More...</a><br /></td></tr>
<tr class="separator:ac0c958d1f5c6ad053835919f792824b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a076ed7eaaddcd2d24a08a8ff5dc28c9b"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a076ed7eaaddcd2d24a08a8ff5dc28c9b">GetSize</a> () const</td></tr>
<tr class="memdesc:a076ed7eaaddcd2d24a08a8ff5dc28c9b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the size of the font (height in pixels)  <a href="classcudaFont.html#a076ed7eaaddcd2d24a08a8ff5dc28c9b">More...</a><br /></td></tr>
<tr class="separator:a076ed7eaaddcd2d24a08a8ff5dc28c9b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afadb0093101fb2f95f0929191c59c47d"><td class="memItemLeft" align="right" valign="top">int4&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#afadb0093101fb2f95f0929191c59c47d">TextExtents</a> (const char *str, int x=0, int y=0)</td></tr>
<tr class="memdesc:afadb0093101fb2f95f0929191c59c47d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the bounding rectangle of the given text string.  <a href="classcudaFont.html#afadb0093101fb2f95f0929191c59c47d">More...</a><br /></td></tr>
<tr class="separator:afadb0093101fb2f95f0929191c59c47d"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:a1f7b8acba0fb232153a3e905e6103101"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classcudaFont.html">cudaFont</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a1f7b8acba0fb232153a3e905e6103101">Create</a> (float size=32.0f)</td></tr>
<tr class="memdesc:a1f7b8acba0fb232153a3e905e6103101"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new CUDA font overlay object using baked fonts.  <a href="classcudaFont.html#a1f7b8acba0fb232153a3e905e6103101">More...</a><br /></td></tr>
<tr class="separator:a1f7b8acba0fb232153a3e905e6103101"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a49133bf81bfabc54be88170d71a5ed33"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classcudaFont.html">cudaFont</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a49133bf81bfabc54be88170d71a5ed33">Create</a> (const char *font, float size)</td></tr>
<tr class="memdesc:a49133bf81bfabc54be88170d71a5ed33"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new CUDA font overlay object using baked fonts.  <a href="classcudaFont.html#a49133bf81bfabc54be88170d71a5ed33">More...</a><br /></td></tr>
<tr class="separator:a49133bf81bfabc54be88170d71a5ed33"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa4d8c7b3bceb8882d612d8a096c9150e"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classcudaFont.html">cudaFont</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#aa4d8c7b3bceb8882d612d8a096c9150e">Create</a> (const std::vector&lt; std::string &gt; &amp;fonts, float size)</td></tr>
<tr class="memdesc:aa4d8c7b3bceb8882d612d8a096c9150e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new CUDA font overlay object using baked fonts.  <a href="classcudaFont.html#aa4d8c7b3bceb8882d612d8a096c9150e">More...</a><br /></td></tr>
<tr class="separator:aa4d8c7b3bceb8882d612d8a096c9150e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:ada0e9c0490565bcb61e5d9b2434184fb"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#ada0e9c0490565bcb61e5d9b2434184fb">cudaFont</a> ()</td></tr>
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<tr class="memitem:ad7ee4d6a42f34ead54c0875c4441fb45"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#ad7ee4d6a42f34ead54c0875c4441fb45">init</a> (const char *font, float size)</td></tr>
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Protected Attributes</h2></td></tr>
<tr class="memitem:a35d0e70911eef5fbad9f8c4681e3d3b2"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a35d0e70911eef5fbad9f8c4681e3d3b2">mSize</a></td></tr>
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<tr class="memitem:abbd57b3a00daa10ed643477f049f9f79"><td class="memItemLeft" align="right" valign="top">uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#abbd57b3a00daa10ed643477f049f9f79">mFontMapCPU</a></td></tr>
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<tr class="memitem:ae2abe480e393ee411d9d002d1a582c1f"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structcudaFont_1_1GlyphInfo.html">cudaFont::GlyphInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#ae2abe480e393ee411d9d002d1a582c1f">mGlyphInfo</a> [<a class="el" href="classcudaFont.html#af5e63c78f2487b7e37abaaa7d1ebc291">NumGlyphs</a>]</td></tr>
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Static Protected Attributes</h2></td></tr>
<tr class="memitem:a5558cb947e83d2c60c479a770a38f82d"><td class="memItemLeft" align="right" valign="top">static const uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a5558cb947e83d2c60c479a770a38f82d">MaxCommands</a> = 1024</td></tr>
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<tr class="memitem:af6cb702c292de02828ef33afd6d9df85"><td class="memItemLeft" align="right" valign="top">static const uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#af6cb702c292de02828ef33afd6d9df85">FirstGlyph</a> = 32</td></tr>
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<tr class="memitem:a5ea6574bf7fab0264c8a6c8dda7254ed"><td class="memItemLeft" align="right" valign="top">static const uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#a5ea6574bf7fab0264c8a6c8dda7254ed">LastGlyph</a> = 255</td></tr>
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<tr class="memitem:af5e63c78f2487b7e37abaaa7d1ebc291"><td class="memItemLeft" align="right" valign="top">static const uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcudaFont.html#af5e63c78f2487b7e37abaaa7d1ebc291">NumGlyphs</a> = <a class="el" href="classcudaFont.html#a5ea6574bf7fab0264c8a6c8dda7254ed">LastGlyph</a> - <a class="el" href="classcudaFont.html#af6cb702c292de02828ef33afd6d9df85">FirstGlyph</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>TTF font rasterization and image overlay rendering using CUDA. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1637d4c711b3ed83184e49734d540f5a">&#9670;&nbsp;</a></span>~cudaFont()</h2>

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<p>Destructor. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ada0e9c0490565bcb61e5d9b2434184fb">&#9670;&nbsp;</a></span>cudaFont()</h2>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a49133bf81bfabc54be88170d71a5ed33">&#9670;&nbsp;</a></span>Create() <span class="overload">[1/3]</span></h2>

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          <td class="memname">static <a class="el" href="classcudaFont.html">cudaFont</a>* cudaFont::Create </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>font</em>, </td>
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          <td class="paramtype">float&#160;</td>
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<p>Create new CUDA font overlay object using baked fonts. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">font</td><td>The name of the TTF font to use. </td></tr>
    <tr><td class="paramname">size</td><td>The desired height of the font, in pixels. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#aa4d8c7b3bceb8882d612d8a096c9150e">&#9670;&nbsp;</a></span>Create() <span class="overload">[2/3]</span></h2>

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          <td class="paramtype">const std::vector&lt; std::string &gt; &amp;&#160;</td>
          <td class="paramname"><em>fonts</em>, </td>
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          <td class="paramtype">float&#160;</td>
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<p>Create new CUDA font overlay object using baked fonts. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">font</td><td>A list of font names that are acceptable to use. If the first font isn't found on the system, then the next font from the list will be tried. </td></tr>
    <tr><td class="paramname">size</td><td>The desired height of the font, in pixels. </td></tr>
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</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a1f7b8acba0fb232153a3e905e6103101">&#9670;&nbsp;</a></span>Create() <span class="overload">[3/3]</span></h2>

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          <td>(</td>
          <td class="paramtype">float&#160;</td>
          <td class="paramname"><em>size</em> = <code>32.0f</code></td><td>)</td>
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<p>Create new CUDA font overlay object using baked fonts. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">size</td><td>The desired height of the font, in pixels. </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a076ed7eaaddcd2d24a08a8ff5dc28c9b">&#9670;&nbsp;</a></span>GetSize()</h2>

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<p>Return the size of the font (height in pixels) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad7ee4d6a42f34ead54c0875c4441fb45">&#9670;&nbsp;</a></span>init()</h2>

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          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>font</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">float&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
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          <td class="paramtype">uint32_t&#160;</td>
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          <td class="paramtype">uint32_t&#160;</td>
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          <td class="paramtype">const char *&#160;</td>
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          <td class="paramtype">int&#160;</td>
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          <td class="paramtype">int&#160;</td>
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          <td></td>
          <td class="paramtype">const float4 &amp;&#160;</td>
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          <td class="paramtype">const float4 &amp;&#160;</td>
          <td class="paramname"><em>background</em> = <code><a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0,&#160;0,&#160;0,&#160;0)</code>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>backgroundPadding</em> = <code>5</code>&#160;</td>
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          <td>)</td>
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<p>Render text overlay onto image. </p>

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          <td class="paramname"><em>width</em>, </td>
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          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>height</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::vector&lt; std::pair&lt; std::string, int2 &gt; &gt; &amp;&#160;</td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const float4 &amp;&#160;</td>
          <td class="paramname"><em>color</em> = <code><a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0,&#160;0,&#160;0,&#160;255)</code>, </td>
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<p>Render text overlay onto image. </p>

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          <td class="paramtype"><a class="el" href="group__imageFormat.html#ga931c48e08f361637d093355d64583406">imageFormat</a>&#160;</td>
          <td class="paramname"><em>format</em>, </td>
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          <td class="paramtype">uint32_t&#160;</td>
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          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>height</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
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          <td class="paramtype">int&#160;</td>
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          <td class="paramtype">const float4 &amp;&#160;</td>
          <td class="paramname"><em>background</em> = <code><a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0,&#160;0,&#160;0,&#160;0)</code>, </td>
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          <td class="paramtype">int&#160;</td>
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          <td>)</td>
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<p>Render text overlay onto image. </p>

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          <td></td>
          <td class="paramtype"><a class="el" href="group__imageFormat.html#ga931c48e08f361637d093355d64583406">imageFormat</a>&#160;</td>
          <td class="paramname"><em>format</em>, </td>
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          <td class="paramtype">uint32_t&#160;</td>
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          <td class="paramname"><em>height</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::vector&lt; std::pair&lt; std::string, int2 &gt; &gt; &amp;&#160;</td>
          <td class="paramname"><em>text</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const float4 &amp;&#160;</td>
          <td class="paramname"><em>color</em> = <code><a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0,&#160;0,&#160;0,&#160;255)</code>, </td>
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          <td class="paramtype">const float4 &amp;&#160;</td>
          <td class="paramname"><em>background</em> = <code><a class="el" href="cudaMath_8h.html#aec09216896e043fa3f4c982091cc3726">make_float4</a>(0,&#160;0,&#160;0,&#160;0)</code>, </td>
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          <td class="paramtype">int&#160;</td>
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          <td>)</td>
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<p>Render text overlay onto image. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#afadb0093101fb2f95f0929191c59c47d">&#9670;&nbsp;</a></span>TextExtents()</h2>

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<p>Return the bounding rectangle of the given text string. </p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#af6cb702c292de02828ef33afd6d9df85">&#9670;&nbsp;</a></span>FirstGlyph</h2>

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          <td class="memname">struct <a class="el" href="structcudaFont_1_1GlyphInfo.html">cudaFont::GlyphInfo</a> cudaFont::mGlyphInfo[<a class="el" href="classcudaFont.html#af5e63c78f2487b7e37abaaa7d1ebc291">NumGlyphs</a>]</td>
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<h2 class="memtitle"><span class="permalink"><a href="#af5e63c78f2487b7e37abaaa7d1ebc291">&#9670;&nbsp;</a></span>NumGlyphs</h2>

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          <td class="memname">const uint32_t cudaFont::NumGlyphs = <a class="el" href="classcudaFont.html#a5ea6574bf7fab0264c8a6c8dda7254ed">LastGlyph</a> - <a class="el" href="classcudaFont.html#af6cb702c292de02828ef33afd6d9df85">FirstGlyph</a></td>
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<hr/>The documentation for this class was generated from the following file:<ul>
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